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Finding the Fourth Proportional to 429,572.72, 592,817.64 and 235,988.60

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Solution

The fourth proportional to 429,572.72, 592,817.64 and 235,988.60 is: 325,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,572.72 : 592,817.64 = 235,988.60 : x
  2. Step 2: Convert to fraction form
    429,572.72/592,817.64 = 235,988.60/x
  3. Step 3: Cross multiply
    429,572.72x = 592,817.64 × 235,988.60
  4. Step 4: Simplify right side
    429,572.72x = 139,898,204,918.90
  5. Step 5: Solve for x
    x = 139,898,204,918.90/429,572.72
  6. Step 6: Final answer
    x = 325,668.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.